Avril Lavigne and Sum 41 frontman Deryck Whibley are moving on from their divorce by putting their marital home back on the market.The stars, who ended their three-year marriage in 2009, are selling the Los Angeles mansion they purchased from drummer Travis Barker in 2007. The Bel Air property costs a cool $9.5 million (£5.9 million) and features eight bedrooms and 10 bathrooms, a gym and sauna, wine cellar and a 10-car garage.